1 files changed, 116 insertions, 1 deletions
diff --git a/source3/lib/util_reg.c b/source3/lib/util_reg.c
index c74a573149..7d6dbe6d00 100644
--- a/source3/lib/util_reg.c
+++ b/source3/lib/util_reg.c
@@ -20,7 +20,7 @@
 
 #include "includes.h"
 
-const char *reg_type_lookup(uint32 type)
+const char *reg_type_lookup(enum winreg_Type type)
 {
 	const char *result;
 
@@ -108,3 +108,118 @@ NTSTATUS reg_pull_multi_sz(TALLOC_CTX *mem_ctx, const void *buf, size_t len,
 
 	return NT_STATUS_OK;
 }
+
+NTSTATUS registry_pull_value(TALLOC_CTX *mem_ctx,
+			     struct registry_value **pvalue,
+			     enum winreg_Type type, uint8 *data,
+			     uint32 size, uint32 length)
+{
+	struct registry_value *value;
+	NTSTATUS status;
+
+	if (!(value = TALLOC_ZERO_P(mem_ctx, struct registry_value))) {
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	value->type = type;
+
+	switch (type) {
+	case REG_DWORD:
+		if ((size != 4) || (length != 4)) {
+			status = NT_STATUS_INVALID_PARAMETER;
+			goto error;
+		}
+		value->v.dword = IVAL(data, 0);
+		break;
+	case REG_SZ:
+	case REG_EXPAND_SZ:
+	{
+		/*
+		 * Make sure we get a NULL terminated string for
+		 * convert_string_talloc().
+		 */
+
+		smb_ucs2_t *tmp;
+		uint32 num_ucs2 = length / 2;
+
+		if ((length % 2) != 0) {
+			status = NT_STATUS_INVALID_PARAMETER;
+			goto error;
+		}
+
+		if (!(tmp = SMB_MALLOC_ARRAY(smb_ucs2_t, num_ucs2+1))) {
+			status = NT_STATUS_NO_MEMORY;
+			goto error;
+		}
+
+		memcpy((void *)tmp, (const void *)data, length);
+		tmp[num_ucs2] = 0;
+
+		value->v.sz.len = convert_string_talloc(
+			value, CH_UTF16LE, CH_UNIX, tmp, length+2,
+			&value->v.sz.str, False);
+
+		SAFE_FREE(tmp);
+
+		if (value->v.sz.len == (size_t)-1) {
+			status = NT_STATUS_INVALID_PARAMETER;
+			goto error;
+		}
+		break;
+	}
+	case REG_MULTI_SZ:
+		status = reg_pull_multi_sz(value, (void *)data, length,
+					   &value->v.multi_sz.num_strings,
+					   &value->v.multi_sz.strings);
+		if (!(NT_STATUS_IS_OK(status))) {
+			goto error;
+		}
+		break;
+	case REG_BINARY:
+		value->v.binary.data = talloc_move(value, &data);
+		value->v.binary.length = length;
+		break;
+	default:
+		status = NT_STATUS_INVALID_PARAMETER;
+		goto error;
+	}
+
+	*pvalue = value;
+	return NT_STATUS_OK;
+
+ error:
+	TALLOC_FREE(value);
+	return status;
+}
+
+NTSTATUS registry_push_value(TALLOC_CTX *mem_ctx,
+			     const struct registry_value *value,
+			     DATA_BLOB *presult)
+{
+	switch (value->type) {
+	case REG_DWORD: {
+		char buf[4];
+		SIVAL(buf, 0, value->v.dword);
+		*presult = data_blob_talloc(mem_ctx, (void *)buf, 4);
+		if (presult->data == NULL) {
+			return NT_STATUS_NO_MEMORY;
+		}
+		break;
+	}
+	case REG_SZ:
+	case REG_EXPAND_SZ: {
+		presult->length = convert_string_talloc(
+			mem_ctx, CH_UNIX, CH_UTF16LE, value->v.sz.str,
+			MIN(value->v.sz.len, strlen(value->v.sz.str)+1),
+			(void *)&(presult->data), False);
+		if (presult->length == (size_t)-1) {
+			return NT_STATUS_NO_MEMORY;
+		}
+		break;
+	}
+	default:
+		return NT_STATUS_INVALID_PARAMETER;
+	}
+
+	return NT_STATUS_OK;
+}